318 Stalling Problems HELP!

EGR may have something to do with this as EGR usually comes in about that time, off idle. IF the carb is set up for EGR, make sure the port that supplied the egr signal (pic 1) to the valve is blocked, or else youll be pulling in air at EGR time, but it looks to be just a non timed port. Hows your advance plate function, smooth? check with vacuum (suction) on line and observe movement. should be smooth. Is this a lean burn carb? Not really an adaptable piece if so, lots of stuff designed to work with its extremely lean conditions.
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